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Ok, don't laugh, I don't believe in that stuff.

The question that bothers me is why is the "Blood type diet" so well-known. Is there any scientific base? Any research, studies, references? When I hear someone talking about how we should eat according to our blood type, I would like to say that it's huge BS, but how do I answer to the question "why is it BS?"

Is it really just some guy who came up with the idea, did not back it up with any evidence and is now popular around the world for no reason?

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This from wikipedia:

One criticism of D'Adamo's hypotheses and recommendations claims that he provided inadequate evidence.[7] For example, his first book, Eat Right 4 Your Type, published in 1997, contains only a bibliography. While his subsequent books have provided thorough references for the classifications of various foods within his categories of "beneficials", "neutrals" and "avoids", his specific process and reasons for reaching these conclusions of classification remain undocumented.

Also, by limiting the very complex human beings to just four limiting stereotypes, the blood type diet has been likened to a "blood type astrology".

The last part made me LOL...

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 David, I'm glad we can agree on this one! Btw, for what it's worth Robb Wolf's current podcast (robbwolf.com/2010/02/23/…) talks about this. He says he's never found much practical utility in metabolic/blood typing, but he's changed his view on Charles Poliquin's Biosignature method for assessing endocrine imbalances. (Disclosure: I've taken several Poliquin classes and I'm a big fan.) When he first took Biosig, he was pressured by Crossfit to pan it, but now that he's actually followed Charles's initial advice, and tried it, it works. – Glenn Feb 23 2010 at 17:11

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